Inline skating is a recreational sport and is fast gaining popularity worldwide. In line skates are usually equipped with 2 to 5 poly urethane wheels which are arranged in a single line. There are three major types of aggressive inline skating which would be hard boots, soft boots and skeletal skates. There is usually a lot of competitiveness between the inline skaters as most of their abilities are a result of hard work. Get all the info you need here.